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Relational vs. Non-Relational Quiz
1. Which database type uses tables with strict schemas?
NoSQL
SQL
2. DynamoDB is an example of a:
Relational database
Key-value store
3. Which database type scales horizontally by adding more servers?
SQL
NoSQL
4. What is the primary query language for relational databases?
GraphQL
SQL
5. Which scaling approach do relational databases typically use?
Horizontal scaling
Vertical scaling
6. NoSQL databases are best for:
Structured data with fixed schema
Unstructured or rapidly changing data
Operational vs. Analytical Quiz
7. Redshift is optimized for:
OLTP
OLAP
8. Which service handles eCommerce transactions?
RDS
Redshift
9. OLTP databases are best suited for:
Complex analytics
Day-to-day transactions
10. Where would you store aggregated historical data for reporting?
DynamoDB
Redshift
11. What does OLTP stand for?
Online Transaction Processing
Offline Transaction Processing
12. Which system would you use for real-time inventory management?
OLAP system
OLTP system
AWS Services Quiz
13. Which is serverless?
RDS
DynamoDB
14. ElastiCache improves:
Data warehousing
Query performance
15. Which service would you use for a managed PostgreSQL database?
Amazon RDS
Amazon Redshift
16. What is the primary benefit of running a database on EC2?
Automatic scaling
Full control over configuration
17. Which AWS service provides in-memory caching?
ElastiCache
Aurora
18. What type of storage does Amazon Redshift use for analytics?
Row-based
Columnar
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